42818950398 has 32 divisors (see below), whose sum is σ = 99530737920. Its totient is φ = 12026629440.

The previous prime is 42818950393. The next prime is 42818950403. The reversal of 42818950398 is 89305981824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42818950393) and next prime (42818950403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42818950393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8637343 + ... + 8642298.

It is an arithmetic number, because the mean of its divisors is an integer number (3110335560).

Almost surely, 2^42818950398 is an apocalyptic number.

42818950398 is an abundant number, since it is smaller than the sum of its proper divisors (56711787522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42818950398 is a wasteful number, since it uses less digits than its factorization.

42818950398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17279712.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 42818950398 in words is "forty-two billion, eight hundred eighteen million, nine hundred fifty thousand, three hundred ninety-eight".